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Chemistry

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Bethel Grady

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Cards in this guide (17)
Is baking soda a base

yes baking soda is a base.

How many grams sugar need to be added in a 100mL water to make a 10 sugar solution

To make a 10% sugar solution you need to dissolve 10 grams of sugar and bring the volume up to 100 ml

What physical features would most likely have the highest population density

which of the following physical features would most likely have the highest population density

If you were designing a cord for a television using two materials with different levels of electrical conductivity for safety you would place the substance with conductivity the c

low, outside

How many grams does a sheet of paper weigh

7 grams per a4 page

What is the PH of baking soda solution

8.5

Does plastic float on hot water

This really depends on how dense the plastic is. If it is denser than water, plastic will sink at the bottom. The temperature of the water does not affect whether or not something will float on that liquid.

Is carbon dioxide a mixtures

Yes, because it is composed of Oxygen and Carbon.

What things could be used to determine whether a substance is an acid or a base

litmus paper.

When substances go throw chemical changes what will all ways happen

One or more substances with different chemical properties will form.

What is the substance that turns litmus blue

A base/alkali substance will turn litmus paper blue.

What is Brass alloy best described as

A Mixture

How many g in a 100 ml

100 ml of water is 100 grams

What compound is a compound with no combination of carbon atoms

an inorganic compound

Would silicon be attracted by a magnet

No it would not be attracted by a magnet bc it is non metal

Which of the following is an example of a heterogeneous mixture water saltwater dirt or brass

Dirt is a heterogeneous mixture.

What happens when a subject changes state from solid to liquid

This process is called melting.

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